TY  - RPRT
TI  - Regional assessments of the Nation's water quality—Improved understanding of stream nutrient sources through enhanced modeling capabilities
AU  - Stephen D. Preston
AU  - Richard B. Alexander
AU  - Michael D. Woodside
PY  - 2011
DO  - 10.3133/fs20113114
UR  - https://pubs.usgs.gov/publication/fs20113114
ID  - fs20113114
ER  -